Question

o triplo de um número x adicionado a 11 unidades é igual a 26.determine o valor de x ​

Answer 1

$\Large\boxed{\begin{array}{l}\underline{\rm montagem\,da\,equac_{\!\!,}\tilde ao}\\\sf n\acute umero:x\\\sf triplo\,do\,n\acute umero:3\cdot x=3x\\\sf triplo\,do\,n\acute umero\,adicionado\,a\,11:3x+11\\\sf equac_{\!\!,}\tilde ao:3x+11=26\end{array}}$

$\Large\boxed{\begin{array}{l}\underline{\rm Resoluc_{\!\!,}\tilde ao\,da\,equac_{\!\!,}\tilde ao}\\\underline{\red{\boldsymbol{m\acute etodo\,1}}}\\\sf 3x+11=26\\\sf 3x+\diagdown\!\!\!\!\!11-\boxed{\sf\diagdown\!\!\!\!\!11}=26-\boxed{\sf11}\\\sf 3x=15\\\sf\dfrac{\backslash\!\!\!\!3x}{\boxed{\sf\backslash\!\!\!3}}=\dfrac{15}{\boxed{\sf3}}\\\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=5}}}}\end{array}}$

$\Large\boxed{\begin{array}{l}\underline{\red{\boldsymbol{m\acute etodo\,2}}}\\\sf 3x+11=26\\\sf 3x=26-11\\\sf 3x=15\\\sf x=\dfrac{15}{3}\\\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=5}}}}\end{array}}$